2003 Turbo - Volvo 2001 Workout Manual

23 . Fill up with lubricating oil to the correct level . R e g a r d i n g
quantity and quality, see under "Technical Data" .
24 . Venting the fuel system
A . Open the venting screw on the fuel filter approx . 4 turns .
Watch out for fuel-splashes .
B . Use the hand-pump to pump fuel until fuel free from air
bubbles is coming out . Close the venting screw .
C . Ease off the fuel pressure pipe nuts at the injectors .
P o s i t i o n the throttle control in the position for full speed and
turn the engine with the starter motor until fuel comes out
of the fuel pressure pipes . Tighten the fuel pressure pipe
nuts .
2003T
Turbo-Compressor
Where there is an excessive amount of smoke in the exhaustf u m e s o r t h e e n g i n e o u t p u t i s p a r t i c u l a r l y l o w i t m a y
be that the turbo-compressor is not functioning properly . If
the boat's speed through the water is gradually d e c r e a s i n g ,
the boat's bottom should also be inspected, and
cleaned where necessary . Check that the air intake has not
become clogged, and clean the intake silender .
Inspecting the Seals
Check the
joints between the turbine housing and the
c o m p r e s s o r bearing housing, and between the compressor
bearing housing and the compressor housing .
Checks
Check the pre-injection angle, the injector's opening
p r e s s u r e
and the spray pattern . The valve clearance and
c o m p r e s s i o n should also be checked .
Checking axial and radial clearance
Dismount the turbo-compressor from the engine, and
measure the rotor unit's axial and radial clearance .
Maximum permissible axial clearance 0 .09 mm
Maximum permissible radial clearance
0 .17 mm
If wear and tear has reached the maximum permissible the
turbo-compressor should be reconditioned or replaced .